Additional Phosphorus Attached Directly Or Indirectly To The Phosphorus By Nonionic Bonding Patents (Class 508/423)
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Patent number: 12098348Abstract: A lubricating composition includes at least one base oil, at least one borated dispersant, at least two antioxidants selected from amine antioxidants, phenolic antioxidants substituted with one or more linear or branched alkyl groups having from 1 to 30 carbon atoms, and mixtures thereof, and at least one phosphite polymer having the formula (I) wherein: —each of the R1, R2, R3 and R4 can be independently selected from the C1-C20 alkyl, C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers and Y—OH groups; —Y is selected from C2-C40 alkylene, C2-C40 alkyl lactone, —R7—N(R8)—R9— groups, in which R7, R8 and R9 are independently selected from hydrogen, C1-C20 alkyl, C3-C22 alkenyi, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers; —m is an integer from 2 to 100; —n is an integer from 1 to 1000.Type: GrantFiled: July 19, 2021Date of Patent: September 24, 2024Assignee: TOTALENERGIES ONETECHInventors: Goulven Bouvier, Hakim El-Bahi, Sonia Younesse, Florence Bredon
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Patent number: 11248187Abstract: A lubricating composition including: a base oil, a lubricant additive composition including, as a component (A), an organic molybdenum compound of the formula (1) described in the specification, and as a component (B), an amine compound of the formula (2) described in the specification, and a specific metal-based cleaner, wherein a content of the component (B) is 2.9 to 18.6 parts by mass relative to 100 parts by mass of molybdenum atoms of the component (A), and a content of the metal-based cleaner is 0.1% to 10% by mass relative to a total amount of the lubricating composition, wherein the lubricating composition does not include tetraalkyl thiuram disulphide, and wherein the component (A) in terms of the amount of molybdenum atoms is 400 to 1200 ppm by mass relative to a total amount of the lubricating composition.Type: GrantFiled: March 24, 2021Date of Patent: February 15, 2022Assignee: ADEKA CORPORATIONInventors: Shinji Iino, Eiji Katsuno, Taro Sumi
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Patent number: 10329511Abstract: The invention relates to lubricant additive compositions and lubricant compositions each comprising thiophosphates and thiophosphate derivatives, methods for making and using the same, including methods of lubricating machines and machine parts and methods of extending the useful life of elastomeric seal components of such machines.Type: GrantFiled: October 31, 2016Date of Patent: June 25, 2019Assignee: Afton Chemical CorporationInventors: David Edwards, Kristine Durbin, Robert E. McCovick
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Patent number: 10196579Abstract: The refrigerator oil according to the present invention includes a base oil including an oxygen-containing organic compound and a phosphorus-based compound represented by the following general formula (1). In the formula (1), n represents an integer of 1 to 10; R1 to R8 each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; and Ar represents a divalent hydrocarbon group having 2 to 20 carbon atoms.Type: GrantFiled: August 26, 2015Date of Patent: February 5, 2019Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Tomoya Matsumoto, Masato Kaneko, Takashi Kondo
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Patent number: 9890339Abstract: The present invention relates to the field of corrosion inhibition in hydrocarbon fluid processing units. The present invention comprises a new additive for inhibiting acid corrosion comprising polymeric thiophosphate ester, which is obtained by reaction of a polymer compound having mono, di or poly hydroxyl group, preferably polymer compound which is hydroxyl-termination, more preferably said polymer compound comprising hydroxyl-terminated polyisobutylene or polybutene and phosphorous pentasulphide. Said polymeric thiophosphate ester is further reacted with any oxide selected from group consisting of ethylene oxide, butylenes oxide or propylene oxide or such other oxide, preferably ethylene oxide, capably forming ethylene oxide derivative of thiophosphate ester. The invention is useful effecting acid corrosion inhibition on the metal surfaces of a distillation unit, distillation column, trays, packing and pump around piping.Type: GrantFiled: August 25, 2009Date of Patent: February 13, 2018Assignee: Dorf Ketal Chemicals (I) Private LimitedInventor: Mahesh Subramaniyam
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Patent number: 9550799Abstract: A process is provided for preparing a salt of a hydroxy-substituted ester of phosphoric acid, comprising: (a) reacting a phosphate diester with an alkylene oxide, (b) reacting the product mixture of step (a) with a phosphating agent; and (c) reacting the product mixture of step (b) with an amine; wherein the phosphate diester is reacted with the alkylene oxide of step (a) in the substantial absence of a phosphate monoester. The product is useful as an antiwear agent.Type: GrantFiled: August 23, 2011Date of Patent: January 24, 2017Assignee: The Lubrizol CorporationInventors: Daniel J. Knapton, Troy A. Conant
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Patent number: 9382275Abstract: A process is provided for preparing a salt of a hydroxy-substituted di-ester of phosphoric acid, comprising: (a) reacting a phosphating agent with a monohydric alcohol and with an alkylene polyol, wherein the mole ratio of monohydric alcohol:alkylene polyol is about 0.2:0.8 to about 0.8:0.2 and wherein an excess of the phosphating agent is employed such that the product mixture formed thereby contains phosphorus acid functionality; and (b) reacting the product mixture of step (a) with an amine. The product is useful as an antiwear agent.Type: GrantFiled: August 24, 2011Date of Patent: July 5, 2016Assignee: The Lubrizol CorporationInventors: Daniel J. Knapton, William R. S. Barton, David J. Aaserud
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Patent number: 9347016Abstract: Provided is a micropitting corrosion resistant industrial gear lubricant composition, comprising: (A) at least a highly refined mineral oil, or synthetic oil or any combination of the above components; (B) at least a micropitting corrosion resistant additive; (C) at least an anti-wear additive; (D) at least a metal passivation additive; and (E) at least an anti-oxidation additive. The lubricant composition has excellent high and low temperature performance and meets 68, 100, 150, 220, 320, 460 and 680 industrial gear oil viscosity level requirement. The lubricant composition has excellent micropitting corrosion resistance, anti-wear performance and anti-oxidation performance, passes FVA 54 micropitting corrosion resistant test, FAG FE-8 bearing wear test and SKF EMCOR bearing corrosion test, and is suitable for many large-scale industrial transmission gears and some automobile transmission gears, especially suitable for a gear transmission system for wind power generation.Type: GrantFiled: May 4, 2012Date of Patent: May 24, 2016Assignee: PETROCHINA COMPANY LIMITEDInventors: Xisheng Fu, Xiuling Hua, Jie Zhang
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Patent number: 9057039Abstract: The present invention relates to a method of lubricating a tractor with a lubricating composition containing: an oil of lubricating viscosity and a sulphur-free phosphorus-containing salt of either (i) a hydroxy-substituted di-ester of phosphoric acid, or (ii) a phosphorylated hydroxy-substituted di- or tri-ester of phosphoric acid.Type: GrantFiled: July 22, 2009Date of Patent: June 16, 2015Assignee: The Lubrizol CorporationInventor: William D. Abraham
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Patent number: 9034809Abstract: The present invention relates to a method of driveline device by supplying to the driveline device a lubricating composition containing an oil of lubricating viscosity and an antiwear package, wherein the antiwear package includes: (a) derivatives of a carboxylic acid (typically a hydroxycarboxylic acid); and (b) a phosphorus compound. The invention further provides lubricating compositions containing an oil of lubricating viscosity and an antiwear package, wherein the antiwear package includes (a) derivatives of a carboxylic acid (typically a hydroxycarboxylic acid); and (b) an amine or metal salt of a phosphorus compound that is either (i) a hydroxy-substituted di-ester of (thio)phosphoric acid, or (ii) a phosphorylated hydroxy-substituted di- or tri-ester of (thio)phosphoric acid.Type: GrantFiled: September 6, 2012Date of Patent: May 19, 2015Assignee: The Lubrizol CorporationInventor: Morey N. Najman
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Publication number: 20150090087Abstract: An aqueous coolant fluid for cutting or machining a semiconductor substrate, comprising at least one organic phosphorous containing acid or salt thereof, at least one polyol; and at least one surfactant, and a method of cutting a silicon ingot or wafer using the coolant fluid.Type: ApplicationFiled: September 26, 2014Publication date: April 2, 2015Inventors: Jason Alexander Sherlock, Douglas E. Ward, Chun Lung Kuan
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Patent number: 8993498Abstract: A continuously variable transmission oil composition comprising a base oil and at least one phosphorous compound in such an amount that the phosphorus in the phosphorus compound accounts for 0.005 to 0.15 mass % of the total mass of the composition and wherein the continuously variable transmission oil composition has a friction coefficient from 0.146 to 0.164 when tested according to ASTM D2714.Type: GrantFiled: February 8, 2010Date of Patent: March 31, 2015Assignee: JX Nippon Oil & Energy CorporationInventors: Yoshitaka Manabe, Shin Saeki
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Publication number: 20150024986Abstract: A lubricating oil comprises a major amount of a base oil and a minor amount of an additive package, wherein the additive package comprises one or more friction modifiers including a reaction product of a hydroxy acid represented by HOCH2CO2H and an amine represented by the formula II: wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl having about 8 to about 22 carbon atoms; X is oxygen or —NH; and m is an integer from about 1 to about 4. The friction modifiers may include one or more compounds of the Formula I: wherein X is selected from oxygen, —NR1, and a glycolic amide moiety; and R and each R1 are independently selected from linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl having about 8 to about 22 carbon atoms and one but not both of R and R1 can be hydrogen; and m is an integer from about 1 to about 4. Methods of improving thin film and/or boundary layer friction are also provided.Type: ApplicationFiled: July 18, 2013Publication date: January 22, 2015Inventor: John T. Loper
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FLUID DYNAMIC PRESSURE BEARING OIL, FLUID DYNAMIC PRESSURE BEARING USING THE SAME, AND SPINDLE MOTOR
Publication number: 20140314351Abstract: It is provided a long life spindle motor that is excellent in startup characteristic in low-temperature environments such as 0° C., and that startup problems due to the evaporation or deterioration of lubricating oil can be avoided in high-temperature environments. The spindle motor includes a fluid dynamic bearing filled with a lubricating oil, containing a methyl pentanediol diester obtained by esterifying 3-methyl-1,5-pentanediol with n-decanoic acid and n-undecanoic acid at a molar ratio ranging from 90:10 to 20:80, and having a water content of not more than 1000 ppm.Type: ApplicationFiled: March 28, 2014Publication date: October 23, 2014Inventors: Hideo FUJIURA, Jun HATCHO -
Publication number: 20140162865Abstract: An engine oil including a base oil in a range of about 70 to 85 wt %. The engine oil includes at least one additive in a range of about 15 to 30 wt %, such as, an antioxidant, a cleaning agent/detergent, a dispersing agent, a wear resistant agent, a viscosity index improving agent, a pour point depressant, a rust/corrosion inhibiting agent, a foam inhibiting agent, and an extreme pressure agent. The engine oil further includes an additive including an organometallic compound of a catalyst consisting of a catalytic element in a range of about 0.001 to 0.05 wt %.Type: ApplicationFiled: December 11, 2012Publication date: June 12, 2014Applicant: Caterpillar Inc.Inventors: Paul W. Park, Hind M. Abi-Akar
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Patent number: 8722597Abstract: Provided is a lubricating oil composition for an internal combustion engine, including as essential components the following component (A), component (B), and component (C), in which a phosphorus content of the composition is 50 ppm by mass to 1,000 ppm by mass: Component (A): a base oil; Component (B): a compound represented by the following general formula (1); and Component (C): a metal-containing antioxidant: where R1 to R8 each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, Z represents a hydrocarbon group having 2 to 20 carbon atoms, and n represents a number of 1 to 10.Type: GrantFiled: May 18, 2011Date of Patent: May 13, 2014Assignee: Adeka CorporationInventors: Yukio Tatsumi, Kenji Yamamoto
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Patent number: 8722596Abstract: Provided are an additive for lubricating oil, including a compound represented by the following general formula (1) as an essential component, and a lubricating oil composition blending same: where R1, R3, R5, and R7 each independently represent an alkyl group having 1 to 20 carbon atoms, R2, R4, R6, and R8 each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, A represents a hydrocarbon group having 2 to 20 carbon atoms, and n represents a number from 1 to 10.Type: GrantFiled: March 24, 2011Date of Patent: May 13, 2014Assignee: Adeka CorporationInventors: Kazuhiro Umehara, Kenji Yamamoto
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Patent number: 8703674Abstract: Provided is a lubricating oil composition, including a base oil and a specific condensed phosphate blended with various additives.Type: GrantFiled: March 24, 2011Date of Patent: April 22, 2014Assignee: Adeka CorporationInventors: Kazuhiro Umehara, Kenji Yamamoto
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Publication number: 20140024569Abstract: Hindered amines useful as ashless TBN sources for lubricating oil compositions that are compatible with fluoroelastomeric engine seal materials, and lubricating oil compositions containing such compounds.Type: ApplicationFiled: July 17, 2012Publication date: January 23, 2014Inventors: Tushar K. Bera, Joseph P. Hartley, Guifeng Li, Gabriele Candido, Christina Gulacsy
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Patent number: 8623795Abstract: The antiwear performance of turbine oils containing polymerized amine antioxidants and antiwear additives is maintained at or enhanced beyond the level as that of turbine oils containing monomeric amine antioxidants by employing as the antiwear additive a resorcinol bis(diphenylphosphate) (RDP). The deposit formation resistance performance of turbine oils containing monomeric and/or polymeric amine antioxidant is improved by employing RDP.Type: GrantFiled: July 26, 2011Date of Patent: January 7, 2014Assignee: ExxonMobil Research and Engineering CompanyInventors: Michael R. Douglass, Douglas Eugene Johnson, Susan Ardito
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Patent number: 8618031Abstract: The deposit formation resistance performance of turbine oils containing amine antioxidants and antiwear additives is enhanced beyond the level of that of turbine oils containing tricresyl phosphate antiwear additive by employing as the antiwear additive a 4,4?-(Isopropylidenediphenyl)bis(diphenyl phosphate).Type: GrantFiled: July 26, 2011Date of Patent: December 31, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: Michael R. Douglass, Douglas Eugene Johnson, Susan Ardito
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Publication number: 20130079264Abstract: A lubricant composition of an oil of lubricating viscosity and a polymeric phosphorus ester comprising the condensation product of a monomeric phosphorus acid or an ester thereof with a diol having two hydroxy groups separated by a chain of 4 to about 100 atoms exhibits good volatility, corrosion, wear, and/or seal performance in lubrication of a transmission.Type: ApplicationFiled: April 21, 2010Publication date: March 28, 2013Applicant: THE LUBRIZOL CORPORATIONInventors: Craig D. Tipton, Charla A. Ramsey, Daniel J. Knapton, Paul E. Adams
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Patent number: 8361941Abstract: The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device or a grease application by employing a lubricating composition containing the antiwear agent.Type: GrantFiled: June 6, 2011Date of Patent: January 29, 2013Assignee: The Lubrizol CorporationInventor: Charla A. Ramsey
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Publication number: 20130012418Abstract: Provided is a lubricating oil composition for an internal combustion engine, including as essential components the following component (A), component (B), and component (C), in which a phosphorus content of the composition is 50 ppm by mass to 1,000 ppm by mass: Component (A): a base oil; Component (B): a compound represented by the following general formula (1); and Component (C): a metal-containing antioxidant: where R1 to R8 each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, Z represents a hydrocarbon group having 2 to 20 carbon atoms, and n represents a number of 1 to 10.Type: ApplicationFiled: May 18, 2011Publication date: January 10, 2013Inventors: Yukio Tatsumi, Kenji Yamamoto
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Publication number: 20120329693Abstract: Provided are an additive for lubricating oil, including a compound represented by the following general formula (1) as an essential component, and a lubricating oil composition blending same: where R1, R3, R5, and R7 each independently represent an alkyl group having 1 to 20 carbon atoms, R2, R4, R6, and R8 each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, A represents a hydrocarbon group having 2 to 20 carbon atoms, and n represents a number from 1 to 10.Type: ApplicationFiled: March 24, 2011Publication date: December 27, 2012Inventors: Kazuhiro Umehara, Kenji Yamamoto
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Publication number: 20120322703Abstract: Disclosed herein is a composition comprising an organic polymer and about 2 to about 10 weight percent of an ionic liquid. The ionic liquid can be a halogenated or non-halogenated ionic liquid. Disclosed herein too are articles manufactured from the composition.Type: ApplicationFiled: June 16, 2011Publication date: December 20, 2012Applicant: SABIC INNOVATIVE PLASTICSInventors: Reema Sinha, Sangita Nandi, Susanta Mitra, Radha Kamalakaran, Edward Kung, Dwairath Dhar, Gurram Kishan
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Publication number: 20120309656Abstract: Provided is a lubricating oil composition, including a base oil and a specific condensed phosphate blended with various additives.Type: ApplicationFiled: March 24, 2011Publication date: December 6, 2012Inventors: Kazuhiro Umehara, Kenji Yamamoto
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Publication number: 20120202727Abstract: The present invention relates to a lubricating composition containing an oil of lubricating viscosity and an antiwear package. The antiwear package may contain a derivative of a hydroxycarboxylic acid; and a salt of a sulphur-free phosphorus-containing compound. The salt includes amine salts, ammonium salts, metal salts and mixtures thereof. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition.Type: ApplicationFiled: August 17, 2010Publication date: August 9, 2012Applicant: THE LUBRIZOL CORPORATIONInventors: Matthew D. Gieselman, John K. Pudelski, Patrick E. Mosier
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Publication number: 20120142567Abstract: The antiwear performance of turbine oils containing polymerized amine antioxidants and antiwear additives is maintained at or enhanced beyond the level as that of turbine oils containing monomeric amine antioxidants by employing as the antiwear additive a resorcinol bis(diphenylphosphate) (RDP). The deposit formation resistance performance of turbine oils containing monomeric and/or polymeric amine antioxidant is improved by employing RDP.Type: ApplicationFiled: July 26, 2011Publication date: June 7, 2012Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Michael R. Douglass, Douglas Eugene Johnson, Susan Ardito
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Patent number: 8178004Abstract: A composition and method for forming a hydrophobic coating on a metallic substrate are disclosed. The composition comprises: (a) a perfluorinated acid, (b) a surfactant, (c) an organic solvent, and (d) water. The composition is applied to the metal surface, the organic solvent and water permitted to evaporate and coalesce to form a substantially continuous film that preferably is in the form of a self-assembled monolayer covalently bonded to the surface of the substrate.Type: GrantFiled: June 17, 2009Date of Patent: May 15, 2012Assignee: Aculon, Inc.Inventor: Eric L. Hanson
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Publication number: 20120028861Abstract: The deposit formation resistance performance of turbine oils containing amine antioxidants and antiwear additives is enhanced beyond the level of that of turbine oils containing tricresyl phosphate antiwear additive by employing as the antiwear additive a 4,4?-(Isopropylidenediphenyl)bis(diphenyl phosphate).Type: ApplicationFiled: July 26, 2011Publication date: February 2, 2012Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Michael R. Douglas, Douglas Eugene Johnson, Susan Ardito
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Publication number: 20110294707Abstract: The present invention relates to a method of lubricating a tractor with a lubricating composition containing: an oil of lubricating viscosity and a sulphur-free phosphorus-containing salt of either (i) a hydroxy-substituted di-ester of phosphoric acid, or (ii) a phosphorylated hydroxy-substituted di- or tri-ester of phosphoric acid.Type: ApplicationFiled: July 22, 2009Publication date: December 1, 2011Applicant: THE LUBRIZOL CORPORATIONInventor: William D. Abraham
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Publication number: 20110237472Abstract: The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device or a grease application by employing a lubricating composition containing the antiwear agent.Type: ApplicationFiled: June 6, 2011Publication date: September 29, 2011Applicant: THE LUBRIZOL CORPORATIONInventor: Charla A. Ramsey
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Publication number: 20110237476Abstract: The disclosure provides a lubricant composition for lubricating an engine, a method for operating an engine and an additive concentrate. The lubricant composition includes a base oil of lubricating viscosity; one or more metal dialkyldithiophosphates having more than 75 mole percent of alkyl groups derived from 4-methyl-2-pentanol, and from about 0.1 to about 2.0 percent by weight of detergent derived from an alkyl phenol or sulfurized alkyl phenol based on a total weight of the lubricant composition. An amount of the one or more metal dialkyldithiophosphate in the lubricant composition ranges from about 0.01 to about 0.10 percent by weight phosphorus based on a total weight of the lubricant composition. The lubricant composition has a total a total base number (TBN) of about 5.0 to about 10.0.Type: ApplicationFiled: March 25, 2010Publication date: September 29, 2011Applicant: AFTON CHEMICAL CORPORATIONInventors: Paul G. GRIFFIN, Jeremy P. STYER
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Publication number: 20110177988Abstract: The present invention relates to a method of driveline device by supplying to the driveline device a lubricating composition containing an oil of lubricating viscosity and an antiwear package, wherein the antiwear package includes: (a) derivatives of a carboxylic acid (typically a hydroxycarboxylic acid); and (b) a phosphorus compound. The invention further provides lubricating compositions containing an oil of lubricating viscosity and an antiwear package, wherein the antiwear package includes (a) derivatives of a carboxylic acid (typically a hydroxycarboxylic acid); and (b) an amine or metal salt of a phosphorus compound that is either (i) a hydroxy-substituted di-ester of (thio)phosphoric acid, or (ii) a phosphorylated hydroxy-substituted di- or tri-ester of (thio)phosphoric acid.Type: ApplicationFiled: March 10, 2009Publication date: July 21, 2011Applicant: THE LUBRIZOL CORPORATIONInventor: Morey N. Najman
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Patent number: 7829511Abstract: A stabilized lubricant composition is disclosed that comprises lubricating oil and a mixture of (a) at least one organophosphite compound and (b) at least one aromatic secondary amine or one substituted phenol or mixtures thereof. The compositions have been found to be highly resistant to oxidation under demanding service conditions and to be useful as turbine lubricants.Type: GrantFiled: May 12, 2005Date of Patent: November 9, 2010Assignee: Chemtura CorporationInventors: Jun Dong, Cyril A. Migdal
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Publication number: 20100227784Abstract: Formulations using tartaric compounds of the present invention in a low sulfur, low ash and low phosphorous lubricant lower wear, and friction and improves fuel economy.Type: ApplicationFiled: May 17, 2010Publication date: September 9, 2010Applicant: Th Lubrizol CorporationInventors: Jody Kocsis, Jonathan S. Vilardo, Jason R. Brown, Daniel E. Barrer, Richard J. Vickerman, Patrick E. Mosier
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Publication number: 20100120640Abstract: Composition comprising nonaqueous hydraulic oils or lubricants and one or more conductivity additives which form clear solutions or mixtures with the hydraulic oil and optionally further customary additives for increasing the conductivity of nonaqueous hydraulic oils and/or lubricants.Type: ApplicationFiled: May 8, 2009Publication date: May 13, 2010Inventors: Peter Schwab, Bernd Weyerhausen, Stefan Kempka, Kerstin Hell
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Publication number: 20090215656Abstract: The present invention provides a beverage surfactant composition that includes a surfactant, a phosphonium compound, and a carrier; wherein the beverage surfactant composition exhibits stability as a solution or as a dispersion at a temperature of about 0 EC to about 8 EC. The present invention also provides a container or a conveyor for a container having a surface that is at least partially coated with the composition. The present invention also provides a process for lubricating a container that includes contacting at least a portion of a surface of the container and the composition together. The present invention also provides a process for lubricating a conveyor that includes contacting at least a portion of a surface of the conveyor and the composition together.Type: ApplicationFiled: May 4, 2009Publication date: August 27, 2009Applicant: Ecolab Inc.Inventors: Minyu Li, Kim Person Hei, Joy G. Herdt, Amy Haupert
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Patent number: 7579305Abstract: The present invention provides a friction modifier for a lubricating oil which comprises an oil-soluble copolymer (A) containing at least one unit of a monomer (a) represented by the general formula (1) and at least one unit of a monomer (b) represented by the general formula (2), and having a weight average molecular weight of 3,000 or more; CH2?C(R1)-Q-(Z-A1)m-X??(1) CH2?C(R3)—CO—(O—A2)n—OR4??(2) a friction modifier composition comprising the above copolymer (A), and at least one species selected from the group consisting of a diluent and other additives; a lubricating oil composition comprising base oil, and the above friction modifier or friction modifier composition. These are excellent in the friction regulation effect, capable of reducing transmission shock, are high in the friction coefficient required for power transmission, and in addition, are excellent in wear resistance.Type: GrantFiled: March 27, 2003Date of Patent: August 25, 2009Assignee: Sanyo Chemical Industries, Ltd.Inventors: Tsuyoshi Yuki, Minoru Nishida
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Publication number: 20080182770Abstract: The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device or a grease application by employing a lubricating composition containing the antiwear agent.Type: ApplicationFiled: January 26, 2007Publication date: July 31, 2008Applicant: The Lubrizol CorporationInventor: Charla A. Ramsey
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Patent number: 7105472Abstract: The present invention relates to a coating solution to be applied on the surface of metals or metal alloys, a process for cold forming of metals and metal alloys using said coating solution, and a coated blank made of a metal or a metal alloy.Type: GrantFiled: April 4, 2003Date of Patent: September 12, 2006Inventor: Walter Zepf
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Patent number: 6995121Abstract: A data/information storage and retrieval medium comprises: (a) a substrate having a layer stack thereon, the layer stack including an outer surface and comprising at least one magnetic or magneto-optical (“MO”) recording layer; and (b) a thin film or layer of a lubricant on the outer surface of the layer stack and comprised of a derivatized perfluoropolyether-based material including at least one generally linear perfluoropolyether chain and at least one phosphite antioxidant/stabilizer moiety attached to at least one end of at least one the chain.Type: GrantFiled: December 23, 2002Date of Patent: February 7, 2006Assignee: Seagate Technology LLCInventors: Jianwei Liu, Michael Joseph Stirniman, Jing Gui
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Patent number: 6828284Abstract: A composition that is or comprises a phosphorus-, perfluoropolyether-, and perfluoroalkyl-containing compound is provided. The compound comprises either (i) mono- or polyalkylene oxide linking groups between the phosphorus and the fluorocarbon group, or (ii) no linking group between the phosphorus and fluorocarbon group, or (iii) individual mixtures of (i) and (ii); and the fluorocarbon group can be the perfluoropolyether or perfluoroalkyl group. The compound can also be a partially esterified phosphate, a partially esterified phosphonate, a salt of a partially esterified phosphate, a salt of a partially esterified phosphonate, or mixtures of two or more thereof.Type: GrantFiled: August 6, 2001Date of Patent: December 7, 2004Assignee: E. I. du Pont de Nemours and CompanyInventors: Jon Lee Howell, Erik William Perez
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Publication number: 20040097382Abstract: The passage of a container along a conveyor is lubricated by applying to the container or conveyor a mixture of a water-miscible silicone material and a water-miscible lubricant. The mixture can be applied in relatively low amounts and with relatively low or no water content, to provide thin, substantially non-dripping lubricating films. In contrast to dilute aqueous lubricants, the lubricants of the invention provide drier lubrication of the conveyors and containers, a cleaner conveyor line and reduced lubricant usage, thereby reducing waste, cleanup and disposal problems.Type: ApplicationFiled: November 18, 2003Publication date: May 20, 2004Inventors: Minyu Li, Keith Darrell Lokkesmoe
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Publication number: 20030216265Abstract: The present invention relates to a coating solution to be applied on the surface of metals or metal alloys, a process for cold forming of metals and metal alloys using said coating solution, and a coated blank made of a metal or a metal alloy.Type: ApplicationFiled: April 4, 2003Publication date: November 20, 2003Inventor: Walter Zepf
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Patent number: 6602833Abstract: The present invention is directed to a method for mechanical working of a metal containing copper, aluminum or an alloy thereof. The method is carried out in the presence of an aqueous cooling lubricant containing an alkanol amine. The lubricant is capable of preventing and reducing the corrosion of both metals and iron.Type: GrantFiled: April 30, 2001Date of Patent: August 5, 2003Assignee: AB Chem DimensionInventor: Rolf Skold
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Publication number: 20020142922Abstract: Lubricating oil compositions comprise a lubricating base oil and (A) at least one compound selected from the group consisting of compounds represented by formula (1) below and compounds represented by formula (2) below: 1Type: ApplicationFiled: January 23, 2002Publication date: October 3, 2002Applicant: Nippon Mitsubishi Oil CorporationInventors: Kazuhiro Yagishita, Jinichi Igarashi, Takeo Koizumi
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Patent number: 6235689Abstract: The degree of bonding of a perfluoro polyether lubricant topcoat to a magnetic recording medium is improved by forming a polymeric phosphate derivative thereof. In an embodiment of the present invention, a perfluoro polyether phosphate polymer is formed with a molecular weight of about 1000 to about 5000, and applied to a magnetic recording medium to achieve a bonded lube ratio in excess of 0.9.Type: GrantFiled: October 5, 1998Date of Patent: May 22, 2001Assignee: Seagate Technology LLCInventor: Samuel J. Falcone
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Patent number: 6100226Abstract: Improved grease compositions comprise a major amount of an oil based metal soap thickened base grease selected from the group consisting of simple metal soap thickened base grease, complex grease and failed complex grease, at least one sulfur and phosphorus containing composition, an overbased metal salt of an organic acid, a hydrocarbyl phosphite, and an aliphatic group substituted carboxylic acid or anhydride thereof, wherein the aliphatic group contains at least about 12 carbon atoms in amounts sufficient to increase the dropping point of the base grease, as measured by ASTM Procedure D-2265 by at least 15.degree. C., the phosphorus and sulfur compound being described in detail herein.Type: GrantFiled: May 20, 1998Date of Patent: August 8, 2000Assignee: The Lubrizol CorporationInventors: Edward J. Konzman, Gary W. Wiggins